Texas Instruments TI-1000 Handheld Electronic Calculator

Texas Instruments TI-1000 Handheld Electronic Calculator

This simple handheld electronic calculator has a black plastic case, metal keyboard with gold-colored trim, and rectangular plastic keys. The twenty keys include ten digit keys, a decimal point key, a total key, four arithmetic function keys, a percent key, a change sign key, an off key and an on/clear entry/clear key. A mark behind the keyboard reads TI-1000. Behind this is an eight-digit LED display. A mark behind it reads: TEXAS INSTRUMENTS. The power jack is on the right side.

The back of the calculator has a compartment for a nine-volt battery at the center. The cover for the compartment is marked on the inside: 2 (/) 1015633. A mark above the compartment reads: TEXAS INSTRUMENTS (/) electronic calculator. Below the compartment is a space for a serial number but no serial number. A mark reads: LTA1978 (/) ASSEMBLED IN USA.

The calculator comes in a cardboard box. A mark on it reads in part: 1977 Texas Instruments Incorporated. Another mark on the box reads in pen: Gift FROM MY SISTER (/) ON TRIP TO Dallas (/) 24 APRIL, 1981. (/) J B Priser. A sticker on one end of the box reads: GROCERY (/) 1069¢.

Also in the box is an instruction leaflet entitled Texas Instrument TI-1000.

Compare 1986.0988.051. According to the online Datamath Museum, TI-1000 calculators with silver-colored trim on the keyboard were made after those with gold-colored trim.